What is the current concentration of PM10 in Chester City, Pennsylvania?

The current PM10 concentration at Chester City, Pennsylvania is 25.237 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Chester City, Pennsylvania?

The current sulfur dioxide (SO2) concentration at Chester City, Pennsylvania is 0.184 ppb.

What is the current concentration of ozone (O3) in Chester City, Pennsylvania?

The current ozone (O3) concentration at Chester City, Pennsylvania is 17.636 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Chester City, Pennsylvania?

The current nitrogen dioxide (NO2) concentration at Chester City, Pennsylvania is 6.582 ppb.

Live air quality index in Chester City, Pennsylvania today

Name: Live air pollution levels in Chester City, Pennsylvania today
Creator: Ambee

Stay updated with real-time air quality in Chester City, Pennsylvania featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

Chester City, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Chester City, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.74 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.24 μg/m³

155

255

425

605+

Ozone (O₃)

17.64 ppb

201

201+

Sulfur Dioxide (SO₂)

0.18 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.58 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Chester City, Pennsylvania

Get Live Pollen Counts

Chester City, Pennsylvania

Scroll To Air Quality Map

Track live Chester City, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T12:00:00.000Z	38 \| good	6.81 \| good	30.327 \| good	27.188 \| good	0.253 \| good	13.973 \| good	0.341 \| good
2025-06-05T13:00:00.000Z	38 \| good	7.161 \| good	32.331 \| good	24.399 \| good	0.468 \| good	10.857 \| good	0.366 \| good
2025-06-05T14:00:00.000Z	44 \| good	7.937 \| good	35.277 \| good	30.943 \| good	0.362 \| good	8.705 \| good	0.408 \| good
2025-06-05T15:00:00.000Z	49 \| good	9.012 \| good	41.034 \| good	34.804 \| good	0.676 \| good	6.304 \| good	0.403 \| good
2025-06-05T16:00:00.000Z	54 \| moderate	10.564 \| good	46.999 \| good	40.623 \| good	3.719 \| good	12.383 \| good	0.449 \| good
2025-06-05T17:00:00.000Z	56 \| moderate	11.925 \| good	53.684 \| good	43.28 \| good	4.994 \| good	10.812 \| good	0.485 \| good
2025-06-05T18:00:00.000Z	58 \| moderate	12.661 \| fine	56.768 \| fine	45.122 \| good	1.716 \| good	7.973 \| good	0.384 \| good
2025-06-05T19:00:00.000Z	62 \| moderate	14.752 \| fine	66.582 \| fine	51.945 \| good	1.026 \| good	6.691 \| good	0.394 \| good
2025-06-05T20:00:00.000Z	64 \| moderate	16.042 \| fine	72.08 \| fine	54.946 \| good	0.538 \| good	5.115 \| good	0.403 \| good
2025-06-05T21:00:00.000Z	67 \| moderate	17.509 \| fine	76.867 \| fine	54.103 \| good	1.043 \| good	4.674 \| good	0.394 \| good
2025-06-05T22:00:00.000Z	67 \| moderate	17.582 \| fine	78.719 \| fine	48.501 \| good	2.859 \| good	5.033 \| good	0.388 \| good
2025-06-05T23:00:00.000Z	66 \| moderate	16.537 \| fine	73.135 \| fine	51.416 \| good	3.999 \| good	5.592 \| good	0.384 \| good
2025-06-06T00:00:00.000Z	62 \| moderate	15.125 \| fine	67.011 \| fine	46.184 \| good	0.52 \| good	5.475 \| good	0.393 \| good
2025-06-06T01:00:00.000Z	60 \| moderate	14.015 \| fine	62.634 \| fine	36.903 \| good	0.37 \| good	8.078 \| good	0.378 \| good
2025-06-06T02:00:00.000Z	58 \| moderate	13.063 \| fine	58.482 \| fine	35.139 \| good	0.33 \| good	5.699 \| good	0.343 \| good
2025-06-06T03:00:00.000Z	56 \| moderate	12.005 \| good	54.392 \| good	34.761 \| good	0.391 \| good	6.157 \| good	0.337 \| good
2025-06-06T04:00:00.000Z	54 \| moderate	11.313 \| good	50.633 \| good	36.318 \| good	0.24 \| good	6.122 \| good	0.332 \| good
2025-06-06T05:00:00.000Z	54 \| moderate	10.835 \| good	47.642 \| good	33.24 \| good	0.325 \| good	9.312 \| good	0.297 \| good
2025-06-06T06:00:00.000Z	52 \| moderate	10.445 \| good	46.653 \| good	32.1 \| good	0.31 \| good	10.078 \| good	0.296 \| good
2025-06-06T07:00:00.000Z	52 \| moderate	10.175 \| good	44.762 \| good	32.208 \| good	0.33 \| good	8.901 \| good	0.296 \| good
2025-06-06T08:00:00.000Z	52 \| moderate	9.715 \| good	43.055 \| good	26.25 \| good	0.215 \| good	8.641 \| good	0.296 \| good
2025-06-06T09:00:00.000Z	52 \| moderate	9.54 \| good	43.123 \| good	21.135 \| good	0.188 \| good	10.198 \| good	0.297 \| good
2025-06-06T10:00:00.000Z	49 \| good	9.422 \| good	41.996 \| good	19.013 \| good	0.336 \| good	11.046 \| good	0.333 \| good
2025-06-06T11:00:00.000Z	49 \| good	9.157 \| good	41.192 \| good	17.038 \| good	0.221 \| good	17.12 \| good	0.366 \| good
2025-06-06T12:00:00.000Z	49 \| good	9.282 \| good	41.353 \| good	14.144 \| good	0.213 \| good	17.184 \| good	0.368 \| good
2025-06-06T13:00:00.000Z	49 \| good	9.462 \| good	42.242 \| good	18.086 \| good	0.338 \| good	16.245 \| good	0.499 \| good
2025-06-06T14:00:00.000Z	52 \| moderate	9.649 \| good	43.221 \| good	26.94 \| good	0.399 \| good	14.017 \| good	0.498 \| good
2025-06-06T15:00:00.000Z	52 \| moderate	10.251 \| good	45.262 \| good	33.198 \| good	0.439 \| good	13.207 \| good	0.478 \| good
2025-06-06T16:00:00.000Z	56 \| moderate	11.71 \| good	52.012 \| good	38.478 \| good	1.708 \| good	13.213 \| good	0.509 \| good
2025-06-06T17:00:00.000Z	58 \| moderate	13.169 \| fine	59.251 \| fine	48.362 \| good	1.701 \| good	11.021 \| good	0.485 \| good
2025-06-06T18:00:00.000Z	62 \| moderate	14.505 \| fine	65.455 \| fine	45.769 \| good	0.489 \| good	5.634 \| good	0.384 \| good
2025-06-06T19:00:00.000Z	60 \| moderate	14.438 \| fine	65.497 \| fine	47.009 \| good	0.291 \| good	6.698 \| good	0.416 \| good
2025-06-06T20:00:00.000Z	60 \| moderate	13.853 \| fine	63.024 \| fine	43.428 \| good	0.287 \| good	5.18 \| good	0.32 \| good
2025-06-06T21:00:00.000Z	56 \| moderate	12.011 \| good	54.091 \| good	37.938 \| good	0.297 \| good	4.227 \| good	0.324 \| good
2025-06-06T22:00:00.000Z	54 \| moderate	11.339 \| good	50.098 \| good	38.084 \| good	0.548 \| good	2.858 \| good	0.317 \| good
2025-06-06T23:00:00.000Z	56 \| moderate	11.685 \| good	51.886 \| good	37.249 \| good	0.181 \| good	5.422 \| good	0.323 \| good
2025-06-07T00:00:00.000Z	56 \| moderate	12.11 \| fine	54.981 \| good	35.481 \| good	0.167 \| good	5.306 \| good	0.309 \| good
2025-06-07T01:00:00.000Z	58 \| moderate	12.715 \| fine	56.937 \| fine	22.709 \| good	0.196 \| good	5.122 \| good	0.312 \| good
2025-06-07T02:00:00.000Z	58 \| moderate	13.291 \| fine	60.88 \| fine	28.591 \| good	0.192 \| good	7.967 \| good	0.307 \| good
2025-06-07T03:00:00.000Z	58 \| moderate	13.157 \| fine	58.862 \| fine	28.124 \| good	0.226 \| good	14.137 \| good	0.394 \| good
2025-06-07T04:00:00.000Z	56 \| moderate	12.15 \| fine	54.769 \| good	25.141 \| good	0.431 \| good	12.37 \| good	0.399 \| good
2025-06-07T05:00:00.000Z	54 \| moderate	11.489 \| good	50.529 \| good	21.57 \| good	0.409 \| good	9.261 \| good	0.391 \| good
2025-06-07T06:00:00.000Z	52 \| moderate	10.063 \| good	44.376 \| good	22.983 \| good	0.336 \| good	11.248 \| good	0.363 \| good
2025-06-07T07:00:00.000Z	49 \| good	9.011 \| good	40.188 \| good	23.425 \| good	0.323 \| good	9.743 \| good	0.357 \| good
2025-06-07T08:00:00.000Z	38 \| good	7.438 \| good	32.754 \| good	20.742 \| good	0.268 \| good	8.974 \| good	0.333 \| good
2025-06-07T09:00:00.000Z	33 \| good	6.439 \| good	29.211 \| good	20.267 \| good	0.192 \| good	7.162 \| good	0.296 \| good
2025-06-07T10:00:00.000Z	33 \| good	5.738 \| good	25.237 \| good	17.636 \| good	0.184 \| good	6.582 \| good	0.292 \| good
2025-06-07T11:00:00.000Z	33 \| good	5.724 \| good	25.137 \| good	15.654 \| good	0.191 \| good	7.825 \| good	0.292 \| good
2025-06-07T11:00:00.000Z	33 \| good	5.738 \| good	25.237 \| good	17.636 \| good	0.184 \| good	6.582 \| good	0.292 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	10.378 \| good	46.043 \| good	16.587 \| good	1.415 \| good	5.401 \| good	0.161 \| good
2025-06-07T13:00:00.000Z	56 \| moderate	11.501 \| good	50.987 \| good	23.028 \| good	2.743 \| good	3.57 \| good	0.2 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	11.447 \| good	50.977 \| good	31.586 \| good	2.726 \| good	4.117 \| good	0.197 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	10.391 \| good	45.876 \| good	38.578 \| good	2.708 \| good	4.665 \| good	0.194 \| good
2025-06-07T16:00:00.000Z	52 \| moderate	9.761 \| good	43.553 \| good	40.158 \| good	2.366 \| good	2.534 \| good	0.207 \| good
2025-06-07T17:00:00.000Z	44 \| good	8.194 \| good	36.118 \| good	40.59 \| good	2.43 \| good	2.907 \| good	0.206 \| good
2025-06-07T18:00:00.000Z	49 \| good	8.617 \| good	37.845 \| good	43.558 \| good	2.494 \| good	3.279 \| good	0.205 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.722 \| good	37.92 \| good	50.869 \| good	1.772 \| good	1.793 \| good	0.208 \| good
2025-06-07T20:00:00.000Z	61 \| moderate	9.321 \| good	41.611 \| good	57.771 \| fine	1.87 \| good	2.082 \| good	0.208 \| good
2025-06-07T21:00:00.000Z	58 \| moderate	11.375 \| good	50.566 \| good	57.347 \| fine	1.967 \| good	2.372 \| good	0.208 \| good
2025-06-07T22:00:00.000Z	62 \| moderate	15.184 \| fine	67.891 \| fine	55.963 \| fine	1.54 \| good	6.196 \| good	0.245 \| good
2025-06-07T23:00:00.000Z	71 \| moderate	20.326 \| fine	89.853 \| fine	52.514 \| good	1.612 \| good	7.35 \| good	0.251 \| good
2025-06-08T00:00:00.000Z	71 \| moderate	20.133 \| fine	88.367 \| fine	41.711 \| good	1.685 \| good	8.505 \| good	0.257 \| good
2025-06-08T01:00:00.000Z	75 \| moderate	22.179 \| fine	96.903 \| fine	32.555 \| good	1.51 \| good	11.261 \| good	0.305 \| good
2025-06-08T02:00:00.000Z	79 \| moderate	23.862 \| fine	104.139 \| fine	27.17 \| good	1.563 \| good	13.445 \| good	0.315 \| good
2025-06-08T03:00:00.000Z	77 \| moderate	22.879 \| fine	100.327 \| fine	26.064 \| good	1.616 \| good	15.63 \| good	0.324 \| good
2025-06-08T04:00:00.000Z	60 \| moderate	14.027 \| fine	62.988 \| fine	28.248 \| good	1.153 \| good	6.178 \| good	0.285 \| good
2025-06-08T05:00:00.000Z	49 \| good	9.03 \| good	40.174 \| good	25.921 \| good	1.185 \| good	6.843 \| good	0.284 \| good
2025-06-08T06:00:00.000Z	44 \| good	7.776 \| good	34.065 \| good	22.887 \| good	1.217 \| good	7.507 \| good	0.284 \| good
2025-06-08T07:00:00.000Z	44 \| good	8.014 \| good	35.368 \| good	22.474 \| good	1.07 \| good	4.454 \| good	0.253 \| good
2025-06-08T08:00:00.000Z	52 \| moderate	9.573 \| good	42.579 \| good	18.615 \| good	1.129 \| good	4.869 \| good	0.256 \| good
2025-06-08T09:00:00.000Z	58 \| moderate	13.279 \| fine	59.954 \| fine	12.063 \| good	1.188 \| good	5.284 \| good	0.259 \| good
2025-06-08T10:00:00.000Z	58 \| moderate	12.701 \| fine	57.101 \| fine	16.067 \| good	1.389 \| good	4.729 \| good	0.256 \| good
2025-06-08T11:00:00.000Z	58 \| moderate	13.332 \| fine	60.093 \| fine	19.839 \| good	1.506 \| good	5.217 \| good	0.263 \| good
2025-06-08T12:00:00.000Z	60 \| moderate	14.123 \| fine	63.602 \| fine	20.326 \| good	1.623 \| good	5.704 \| good	0.269 \| good
2025-06-08T13:00:00.000Z	64 \| moderate	15.889 \| fine	70.776 \| fine	26.858 \| good	1.39 \| good	2.879 \| good	0.278 \| good
2025-06-08T14:00:00.000Z	73 \| moderate	20.861 \| fine	91.616 \| fine	29.426 \| good	1.412 \| good	3.072 \| good	0.277 \| good
2025-06-08T15:00:00.000Z	73 \| moderate	21.098 \| fine	92.936 \| fine	27.055 \| good	1.434 \| good	3.265 \| good	0.276 \| good
2025-06-08T16:00:00.000Z	69 \| moderate	18.813 \| fine	82.666 \| fine	29.001 \| good	1.098 \| good	1.87 \| good	0.266 \| good
2025-06-08T17:00:00.000Z	64 \| moderate	15.507 \| fine	68.685 \| fine	33.737 \| good	1.111 \| good	2.007 \| good	0.263 \| good
2025-06-08T18:00:00.000Z	56 \| moderate	11.625 \| good	51.957 \| good	35.891 \| good	1.123 \| good	2.143 \| good	0.261 \| good
2025-06-08T19:00:00.000Z	54 \| moderate	10.969 \| good	48.631 \| good	34.683 \| good	0.944 \| good	2.622 \| good	0.254 \| good
2025-06-08T20:00:00.000Z	54 \| moderate	10.747 \| good	47.68 \| good	37.803 \| good	0.93 \| good	2.654 \| good	0.248 \| good
2025-06-08T21:00:00.000Z	54 \| moderate	10.604 \| good	47.217 \| good	38.035 \| good	0.917 \| good	2.685 \| good	0.243 \| good
2025-06-08T22:00:00.000Z	54 \| moderate	10.929 \| good	48.274 \| good	39.993 \| good	0.803 \| good	4.899 \| good	0.227 \| good
2025-06-08T23:00:00.000Z	52 \| moderate	10.299 \| good	45.712 \| good	40.434 \| good	0.776 \| good	4.759 \| good	0.217 \| good
2025-06-09T00:00:00.000Z	54 \| moderate	10.655 \| good	47.203 \| good	39.724 \| good	0.749 \| good	4.62 \| good	0.207 \| good
2025-06-09T01:00:00.000Z	52 \| moderate	10.366 \| good	45.955 \| good	36.776 \| good	0.596 \| good	4.177 \| good	0.175 \| good
2025-06-09T02:00:00.000Z	44 \| good	8.432 \| good	37.101 \| good	36.044 \| good	0.61 \| good	4.182 \| good	0.17 \| good
2025-06-09T03:00:00.000Z	44 \| good	8.109 \| good	35.701 \| good	35.233 \| good	0.624 \| good	4.187 \| good	0.164 \| good
2025-06-09T04:00:00.000Z	38 \| good	7.473 \| good	32.947 \| good	35.776 \| good	0.497 \| good	3.399 \| good	0.151 \| good
2025-06-09T05:00:00.000Z	31 \| good	5.33 \| good	23.206 \| good	33.953 \| good	0.521 \| good	3.374 \| good	0.147 \| good
2025-06-09T06:00:00.000Z	33 \| good	6.29 \| good	7.336 \| good	33.701 \| good	0.547 \| good	3.361 \| good	0.144 \| good
2025-06-09T07:00:00.000Z	33 \| good	5.889 \| good	25.912 \| good	28.392 \| good	0.583 \| good	3.344 \| good	0.137 \| good
2025-06-09T08:00:00.000Z	38 \| good	6.967 \| good	30.78 \| good	21.333 \| good	0.597 \| good	3.268 \| good	0.136 \| good
2025-06-09T09:00:00.000Z	38 \| good	7.014 \| good	30.861 \| good	18.339 \| good	0.611 \| good	3.191 \| good	0.134 \| good
2025-06-09T10:00:00.000Z	49 \| good	8.559 \| good	37.828 \| good	20.69 \| good	0.63 \| good	3.984 \| good	0.141 \| good
2025-06-09T11:00:00.000Z	56 \| moderate	11.674 \| good	52.118 \| good	27.792 \| good	0.62 \| good	3.896 \| good	0.141 \| good

Chester city

Get reliable air quality data to drive your business

Chester City, Pennsylvania air quality map: Track AQI near you

0.31ppm

How accurate is Pennsylvania, USA air quality data?

Air quality data and pollutant measurements for Pennsylvania, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How often is the air quality data for Chester City, Pennsylvania updated?

The air quality for Chester City, Pennsylvania is updated every hour.

When was the worst air quality at Chester City, Pennsylvania in the last 24 hrs?

The worst air quality in Chester City, Pennsylvania in the last 24 hours was observed at 06:00:00 on 2025-06-06.

When was the best air quality at Chester City, Pennsylvania in the last 24 hrs?

In the last 24 hrs, the best air quality in Chester City, Pennsylvania was observed at 10:00:00 on 2025-06-07.

What is the current air quality in Chester City, Pennsylvania?

The current air quality in Chester City, Pennsylvania is 33, categorized as Good based on real-time data.

What pollutant is the most common in Chester City, Pennsylvania?

The most common pollutant in Chester City, Pennsylvania is PM2.5.

What should I do if the air quality in Chester City, Pennsylvania is poor?

If the air quality in Chester City, Pennsylvania is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Chester City, Pennsylvania?

The current PM_2.5 concentration at Chester City, Pennsylvania is 5.738 μg/m³.

What is the current concentration of PM₁₀ in Chester City, Pennsylvania?

The current PM₁₀ concentration at Chester City, Pennsylvania is 25.237 μg/m³.

What is the current concentration of carbon monoxide (CO) in Chester City, Pennsylvania?

The current carbon monoxide (CO) concentration at Chester City, Pennsylvania is 0.292 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Chester City, Pennsylvania?

The current sulfur dioxide (SO₂) concentration at Chester City, Pennsylvania is 0.184 ppb.

What is the current concentration of ozone (O₃) in Chester City, Pennsylvania?

The current ozone (O₃) concentration at Chester City, Pennsylvania is 17.636 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Chester City, Pennsylvania?

The current nitrogen dioxide (NO₂) concentration at Chester City, Pennsylvania is 6.582 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T12:00:00.000Z	38 \| good	6.81 \| good	30.327 \| good	27.188 \| good	0.253 \| good	13.973 \| good	0.341 \| good
2025-06-05T13:00:00.000Z	38 \| good	7.161 \| good	32.331 \| good	24.399 \| good	0.468 \| good	10.857 \| good	0.366 \| good
2025-06-05T14:00:00.000Z	44 \| good	7.937 \| good	35.277 \| good	30.943 \| good	0.362 \| good	8.705 \| good	0.408 \| good
2025-06-05T15:00:00.000Z	49 \| good	9.012 \| good	41.034 \| good	34.804 \| good	0.676 \| good	6.304 \| good	0.403 \| good
2025-06-05T16:00:00.000Z	54 \| moderate	10.564 \| good	46.999 \| good	40.623 \| good	3.719 \| good	12.383 \| good	0.449 \| good
2025-06-05T17:00:00.000Z	56 \| moderate	11.925 \| good	53.684 \| good	43.28 \| good	4.994 \| good	10.812 \| good	0.485 \| good
2025-06-05T18:00:00.000Z	58 \| moderate	12.661 \| fine	56.768 \| fine	45.122 \| good	1.716 \| good	7.973 \| good	0.384 \| good
2025-06-05T19:00:00.000Z	62 \| moderate	14.752 \| fine	66.582 \| fine	51.945 \| good	1.026 \| good	6.691 \| good	0.394 \| good
2025-06-05T20:00:00.000Z	64 \| moderate	16.042 \| fine	72.08 \| fine	54.946 \| good	0.538 \| good	5.115 \| good	0.403 \| good
2025-06-05T21:00:00.000Z	67 \| moderate	17.509 \| fine	76.867 \| fine	54.103 \| good	1.043 \| good	4.674 \| good	0.394 \| good
2025-06-05T22:00:00.000Z	67 \| moderate	17.582 \| fine	78.719 \| fine	48.501 \| good	2.859 \| good	5.033 \| good	0.388 \| good
2025-06-05T23:00:00.000Z	66 \| moderate	16.537 \| fine	73.135 \| fine	51.416 \| good	3.999 \| good	5.592 \| good	0.384 \| good
2025-06-06T00:00:00.000Z	62 \| moderate	15.125 \| fine	67.011 \| fine	46.184 \| good	0.52 \| good	5.475 \| good	0.393 \| good
2025-06-06T01:00:00.000Z	60 \| moderate	14.015 \| fine	62.634 \| fine	36.903 \| good	0.37 \| good	8.078 \| good	0.378 \| good
2025-06-06T02:00:00.000Z	58 \| moderate	13.063 \| fine	58.482 \| fine	35.139 \| good	0.33 \| good	5.699 \| good	0.343 \| good
2025-06-06T03:00:00.000Z	56 \| moderate	12.005 \| good	54.392 \| good	34.761 \| good	0.391 \| good	6.157 \| good	0.337 \| good
2025-06-06T04:00:00.000Z	54 \| moderate	11.313 \| good	50.633 \| good	36.318 \| good	0.24 \| good	6.122 \| good	0.332 \| good
2025-06-06T05:00:00.000Z	54 \| moderate	10.835 \| good	47.642 \| good	33.24 \| good	0.325 \| good	9.312 \| good	0.297 \| good
2025-06-06T06:00:00.000Z	52 \| moderate	10.445 \| good	46.653 \| good	32.1 \| good	0.31 \| good	10.078 \| good	0.296 \| good
2025-06-06T07:00:00.000Z	52 \| moderate	10.175 \| good	44.762 \| good	32.208 \| good	0.33 \| good	8.901 \| good	0.296 \| good
2025-06-06T08:00:00.000Z	52 \| moderate	9.715 \| good	43.055 \| good	26.25 \| good	0.215 \| good	8.641 \| good	0.296 \| good
2025-06-06T09:00:00.000Z	52 \| moderate	9.54 \| good	43.123 \| good	21.135 \| good	0.188 \| good	10.198 \| good	0.297 \| good
2025-06-06T10:00:00.000Z	49 \| good	9.422 \| good	41.996 \| good	19.013 \| good	0.336 \| good	11.046 \| good	0.333 \| good
2025-06-06T11:00:00.000Z	49 \| good	9.157 \| good	41.192 \| good	17.038 \| good	0.221 \| good	17.12 \| good	0.366 \| good
2025-06-06T12:00:00.000Z	49 \| good	9.282 \| good	41.353 \| good	14.144 \| good	0.213 \| good	17.184 \| good	0.368 \| good
2025-06-06T13:00:00.000Z	49 \| good	9.462 \| good	42.242 \| good	18.086 \| good	0.338 \| good	16.245 \| good	0.499 \| good
2025-06-06T14:00:00.000Z	52 \| moderate	9.649 \| good	43.221 \| good	26.94 \| good	0.399 \| good	14.017 \| good	0.498 \| good
2025-06-06T15:00:00.000Z	52 \| moderate	10.251 \| good	45.262 \| good	33.198 \| good	0.439 \| good	13.207 \| good	0.478 \| good
2025-06-06T16:00:00.000Z	56 \| moderate	11.71 \| good	52.012 \| good	38.478 \| good	1.708 \| good	13.213 \| good	0.509 \| good
2025-06-06T17:00:00.000Z	58 \| moderate	13.169 \| fine	59.251 \| fine	48.362 \| good	1.701 \| good	11.021 \| good	0.485 \| good
2025-06-06T18:00:00.000Z	62 \| moderate	14.505 \| fine	65.455 \| fine	45.769 \| good	0.489 \| good	5.634 \| good	0.384 \| good
2025-06-06T19:00:00.000Z	60 \| moderate	14.438 \| fine	65.497 \| fine	47.009 \| good	0.291 \| good	6.698 \| good	0.416 \| good
2025-06-06T20:00:00.000Z	60 \| moderate	13.853 \| fine	63.024 \| fine	43.428 \| good	0.287 \| good	5.18 \| good	0.32 \| good
2025-06-06T21:00:00.000Z	56 \| moderate	12.011 \| good	54.091 \| good	37.938 \| good	0.297 \| good	4.227 \| good	0.324 \| good
2025-06-06T22:00:00.000Z	54 \| moderate	11.339 \| good	50.098 \| good	38.084 \| good	0.548 \| good	2.858 \| good	0.317 \| good
2025-06-06T23:00:00.000Z	56 \| moderate	11.685 \| good	51.886 \| good	37.249 \| good	0.181 \| good	5.422 \| good	0.323 \| good
2025-06-07T00:00:00.000Z	56 \| moderate	12.11 \| fine	54.981 \| good	35.481 \| good	0.167 \| good	5.306 \| good	0.309 \| good
2025-06-07T01:00:00.000Z	58 \| moderate	12.715 \| fine	56.937 \| fine	22.709 \| good	0.196 \| good	5.122 \| good	0.312 \| good
2025-06-07T02:00:00.000Z	58 \| moderate	13.291 \| fine	60.88 \| fine	28.591 \| good	0.192 \| good	7.967 \| good	0.307 \| good
2025-06-07T03:00:00.000Z	58 \| moderate	13.157 \| fine	58.862 \| fine	28.124 \| good	0.226 \| good	14.137 \| good	0.394 \| good
2025-06-07T04:00:00.000Z	56 \| moderate	12.15 \| fine	54.769 \| good	25.141 \| good	0.431 \| good	12.37 \| good	0.399 \| good
2025-06-07T05:00:00.000Z	54 \| moderate	11.489 \| good	50.529 \| good	21.57 \| good	0.409 \| good	9.261 \| good	0.391 \| good
2025-06-07T06:00:00.000Z	52 \| moderate	10.063 \| good	44.376 \| good	22.983 \| good	0.336 \| good	11.248 \| good	0.363 \| good
2025-06-07T07:00:00.000Z	49 \| good	9.011 \| good	40.188 \| good	23.425 \| good	0.323 \| good	9.743 \| good	0.357 \| good
2025-06-07T08:00:00.000Z	38 \| good	7.438 \| good	32.754 \| good	20.742 \| good	0.268 \| good	8.974 \| good	0.333 \| good
2025-06-07T09:00:00.000Z	33 \| good	6.439 \| good	29.211 \| good	20.267 \| good	0.192 \| good	7.162 \| good	0.296 \| good
2025-06-07T10:00:00.000Z	33 \| good	5.738 \| good	25.237 \| good	17.636 \| good	0.184 \| good	6.582 \| good	0.292 \| good
2025-06-07T11:00:00.000Z	33 \| good	5.724 \| good	25.137 \| good	15.654 \| good	0.191 \| good	7.825 \| good	0.292 \| good
2025-06-07T11:00:00.000Z	33 \| good	5.738 \| good	25.237 \| good	17.636 \| good	0.184 \| good	6.582 \| good	0.292 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	10.378 \| good	46.043 \| good	16.587 \| good	1.415 \| good	5.401 \| good	0.161 \| good
2025-06-07T13:00:00.000Z	56 \| moderate	11.501 \| good	50.987 \| good	23.028 \| good	2.743 \| good	3.57 \| good	0.2 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	11.447 \| good	50.977 \| good	31.586 \| good	2.726 \| good	4.117 \| good	0.197 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	10.391 \| good	45.876 \| good	38.578 \| good	2.708 \| good	4.665 \| good	0.194 \| good
2025-06-07T16:00:00.000Z	52 \| moderate	9.761 \| good	43.553 \| good	40.158 \| good	2.366 \| good	2.534 \| good	0.207 \| good
2025-06-07T17:00:00.000Z	44 \| good	8.194 \| good	36.118 \| good	40.59 \| good	2.43 \| good	2.907 \| good	0.206 \| good
2025-06-07T18:00:00.000Z	49 \| good	8.617 \| good	37.845 \| good	43.558 \| good	2.494 \| good	3.279 \| good	0.205 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.722 \| good	37.92 \| good	50.869 \| good	1.772 \| good	1.793 \| good	0.208 \| good
2025-06-07T20:00:00.000Z	61 \| moderate	9.321 \| good	41.611 \| good	57.771 \| fine	1.87 \| good	2.082 \| good	0.208 \| good
2025-06-07T21:00:00.000Z	58 \| moderate	11.375 \| good	50.566 \| good	57.347 \| fine	1.967 \| good	2.372 \| good	0.208 \| good
2025-06-07T22:00:00.000Z	62 \| moderate	15.184 \| fine	67.891 \| fine	55.963 \| fine	1.54 \| good	6.196 \| good	0.245 \| good
2025-06-07T23:00:00.000Z	71 \| moderate	20.326 \| fine	89.853 \| fine	52.514 \| good	1.612 \| good	7.35 \| good	0.251 \| good
2025-06-08T00:00:00.000Z	71 \| moderate	20.133 \| fine	88.367 \| fine	41.711 \| good	1.685 \| good	8.505 \| good	0.257 \| good
2025-06-08T01:00:00.000Z	75 \| moderate	22.179 \| fine	96.903 \| fine	32.555 \| good	1.51 \| good	11.261 \| good	0.305 \| good
2025-06-08T02:00:00.000Z	79 \| moderate	23.862 \| fine	104.139 \| fine	27.17 \| good	1.563 \| good	13.445 \| good	0.315 \| good
2025-06-08T03:00:00.000Z	77 \| moderate	22.879 \| fine	100.327 \| fine	26.064 \| good	1.616 \| good	15.63 \| good	0.324 \| good
2025-06-08T04:00:00.000Z	60 \| moderate	14.027 \| fine	62.988 \| fine	28.248 \| good	1.153 \| good	6.178 \| good	0.285 \| good
2025-06-08T05:00:00.000Z	49 \| good	9.03 \| good	40.174 \| good	25.921 \| good	1.185 \| good	6.843 \| good	0.284 \| good
2025-06-08T06:00:00.000Z	44 \| good	7.776 \| good	34.065 \| good	22.887 \| good	1.217 \| good	7.507 \| good	0.284 \| good
2025-06-08T07:00:00.000Z	44 \| good	8.014 \| good	35.368 \| good	22.474 \| good	1.07 \| good	4.454 \| good	0.253 \| good
2025-06-08T08:00:00.000Z	52 \| moderate	9.573 \| good	42.579 \| good	18.615 \| good	1.129 \| good	4.869 \| good	0.256 \| good
2025-06-08T09:00:00.000Z	58 \| moderate	13.279 \| fine	59.954 \| fine	12.063 \| good	1.188 \| good	5.284 \| good	0.259 \| good
2025-06-08T10:00:00.000Z	58 \| moderate	12.701 \| fine	57.101 \| fine	16.067 \| good	1.389 \| good	4.729 \| good	0.256 \| good
2025-06-08T11:00:00.000Z	58 \| moderate	13.332 \| fine	60.093 \| fine	19.839 \| good	1.506 \| good	5.217 \| good	0.263 \| good
2025-06-08T12:00:00.000Z	60 \| moderate	14.123 \| fine	63.602 \| fine	20.326 \| good	1.623 \| good	5.704 \| good	0.269 \| good
2025-06-08T13:00:00.000Z	64 \| moderate	15.889 \| fine	70.776 \| fine	26.858 \| good	1.39 \| good	2.879 \| good	0.278 \| good
2025-06-08T14:00:00.000Z	73 \| moderate	20.861 \| fine	91.616 \| fine	29.426 \| good	1.412 \| good	3.072 \| good	0.277 \| good
2025-06-08T15:00:00.000Z	73 \| moderate	21.098 \| fine	92.936 \| fine	27.055 \| good	1.434 \| good	3.265 \| good	0.276 \| good
2025-06-08T16:00:00.000Z	69 \| moderate	18.813 \| fine	82.666 \| fine	29.001 \| good	1.098 \| good	1.87 \| good	0.266 \| good
2025-06-08T17:00:00.000Z	64 \| moderate	15.507 \| fine	68.685 \| fine	33.737 \| good	1.111 \| good	2.007 \| good	0.263 \| good
2025-06-08T18:00:00.000Z	56 \| moderate	11.625 \| good	51.957 \| good	35.891 \| good	1.123 \| good	2.143 \| good	0.261 \| good
2025-06-08T19:00:00.000Z	54 \| moderate	10.969 \| good	48.631 \| good	34.683 \| good	0.944 \| good	2.622 \| good	0.254 \| good
2025-06-08T20:00:00.000Z	54 \| moderate	10.747 \| good	47.68 \| good	37.803 \| good	0.93 \| good	2.654 \| good	0.248 \| good
2025-06-08T21:00:00.000Z	54 \| moderate	10.604 \| good	47.217 \| good	38.035 \| good	0.917 \| good	2.685 \| good	0.243 \| good
2025-06-08T22:00:00.000Z	54 \| moderate	10.929 \| good	48.274 \| good	39.993 \| good	0.803 \| good	4.899 \| good	0.227 \| good
2025-06-08T23:00:00.000Z	52 \| moderate	10.299 \| good	45.712 \| good	40.434 \| good	0.776 \| good	4.759 \| good	0.217 \| good
2025-06-09T00:00:00.000Z	54 \| moderate	10.655 \| good	47.203 \| good	39.724 \| good	0.749 \| good	4.62 \| good	0.207 \| good
2025-06-09T01:00:00.000Z	52 \| moderate	10.366 \| good	45.955 \| good	36.776 \| good	0.596 \| good	4.177 \| good	0.175 \| good
2025-06-09T02:00:00.000Z	44 \| good	8.432 \| good	37.101 \| good	36.044 \| good	0.61 \| good	4.182 \| good	0.17 \| good
2025-06-09T03:00:00.000Z	44 \| good	8.109 \| good	35.701 \| good	35.233 \| good	0.624 \| good	4.187 \| good	0.164 \| good
2025-06-09T04:00:00.000Z	38 \| good	7.473 \| good	32.947 \| good	35.776 \| good	0.497 \| good	3.399 \| good	0.151 \| good
2025-06-09T05:00:00.000Z	31 \| good	5.33 \| good	23.206 \| good	33.953 \| good	0.521 \| good	3.374 \| good	0.147 \| good
2025-06-09T06:00:00.000Z	33 \| good	6.29 \| good	7.336 \| good	33.701 \| good	0.547 \| good	3.361 \| good	0.144 \| good
2025-06-09T07:00:00.000Z	33 \| good	5.889 \| good	25.912 \| good	28.392 \| good	0.583 \| good	3.344 \| good	0.137 \| good
2025-06-09T08:00:00.000Z	38 \| good	6.967 \| good	30.78 \| good	21.333 \| good	0.597 \| good	3.268 \| good	0.136 \| good
2025-06-09T09:00:00.000Z	38 \| good	7.014 \| good	30.861 \| good	18.339 \| good	0.611 \| good	3.191 \| good	0.134 \| good
2025-06-09T10:00:00.000Z	49 \| good	8.559 \| good	37.828 \| good	20.69 \| good	0.63 \| good	3.984 \| good	0.141 \| good
2025-06-09T11:00:00.000Z	56 \| moderate	11.674 \| good	52.118 \| good	27.792 \| good	0.62 \| good	3.896 \| good	0.141 \| good

Live air quality index in Chester City, Pennsylvania today

Major air pollutants in Chester City, Pennsylvania

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Chester City, Pennsylvania air quality forecast and history

Get reliable air quality data to drive your business

Chester City, Pennsylvania air quality map: Track AQI near you

Air quality in nearby cities

Chester City, Pennsylvania

Nether Providence, Pennsylvania

Ridley, Pennsylvania

Aston, Pennsylvania

Upper Chichester, Pennsylvania

Darby Borough, Pennsylvania

How accurate is Pennsylvania, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is the air quality data for Chester City, Pennsylvania updated?

When was the worst air quality at Chester City, Pennsylvania in the last 24 hrs?

When was the best air quality at Chester City, Pennsylvania in the last 24 hrs?

What is the current air quality in Chester City, Pennsylvania?

What pollutant is the most common in Chester City, Pennsylvania?

What should I do if the air quality in Chester City, Pennsylvania is poor?

What is the current concentration of PM2.5 in Chester City, Pennsylvania?

What is the current concentration of PM10 in Chester City, Pennsylvania?

What is the current concentration of carbon monoxide (CO) in Chester City, Pennsylvania?

What is the current concentration of sulfur dioxide (SO2) in Chester City, Pennsylvania?

What is the current concentration of ozone (O3) in Chester City, Pennsylvania?

What is the current concentration of nitrogen dioxide (NO2) in Chester City, Pennsylvania?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Chester City, Pennsylvania?

What is the current concentration of PM₁₀ in Chester City, Pennsylvania?

What is the current concentration of sulfur dioxide (SO₂) in Chester City, Pennsylvania?

What is the current concentration of ozone (O₃) in Chester City, Pennsylvania?

What is the current concentration of nitrogen dioxide (NO₂) in Chester City, Pennsylvania?